From: Sakari Ailus <sakari.ailus@linux.intel.com>
To: linux-media@vger.kernel.org
Cc: devicetree@vger.kernel.org, slongerbeam@gmail.com,
niklas.soderlund@ragnatech.se
Subject: [PATCH 08/21] v4l: fwnode: Make use of newly specified bus types
Date: Mon, 23 Jul 2018 16:46:53 +0300 [thread overview]
Message-ID: <20180723134706.15334-9-sakari.ailus@linux.intel.com> (raw)
In-Reply-To: <20180723134706.15334-1-sakari.ailus@linux.intel.com>
Make use of bus type specified for an endpoint.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
---
drivers/media/v4l2-core/v4l2-fwnode.c | 48 ++++++++++++++++++++++++++---------
1 file changed, 36 insertions(+), 12 deletions(-)
diff --git a/drivers/media/v4l2-core/v4l2-fwnode.c b/drivers/media/v4l2-core/v4l2-fwnode.c
index 85f409808042..e62a1fcabd8f 100644
--- a/drivers/media/v4l2-core/v4l2-fwnode.c
+++ b/drivers/media/v4l2-core/v4l2-fwnode.c
@@ -123,8 +123,16 @@ static int v4l2_fwnode_endpoint_parse_csi2_bus(struct fwnode_handle *fwnode,
return 0;
}
+#define PARALLEL_MBUS_FLAGS (V4L2_MBUS_HSYNC_ACTIVE_HIGH | \
+ V4L2_MBUS_HSYNC_ACTIVE_LOW | \
+ V4L2_MBUS_VSYNC_ACTIVE_HIGH | \
+ V4L2_MBUS_VSYNC_ACTIVE_LOW | \
+ V4L2_MBUS_FIELD_EVEN_HIGH | \
+ V4L2_MBUS_FIELD_EVEN_LOW)
+
static void v4l2_fwnode_endpoint_parse_parallel_bus(
- struct fwnode_handle *fwnode, struct v4l2_fwnode_endpoint *vep)
+ struct fwnode_handle *fwnode, struct v4l2_fwnode_endpoint *vep,
+ enum v4l2_fwnode_bus_type bus_type)
{
struct v4l2_fwnode_bus_parallel *bus = &vep->bus.parallel;
unsigned int flags = 0;
@@ -192,17 +200,24 @@ static void v4l2_fwnode_endpoint_parse_parallel_bus(
pr_debug("data-enable-active %s\n", v ? "high" : "low");
}
- if (flags || is_parallel) {
+ switch (bus_type) {
+ default:
bus->flags = flags;
- if (flags & (V4L2_MBUS_HSYNC_ACTIVE_HIGH |
- V4L2_MBUS_HSYNC_ACTIVE_LOW |
- V4L2_MBUS_VSYNC_ACTIVE_HIGH |
- V4L2_MBUS_VSYNC_ACTIVE_LOW |
- V4L2_MBUS_FIELD_EVEN_HIGH |
- V4L2_MBUS_FIELD_EVEN_LOW))
- vep->bus_type = V4L2_MBUS_PARALLEL;
- else
- vep->bus_type = V4L2_MBUS_BT656;
+ if (flags || is_parallel) {
+ if (flags & PARALLEL_MBUS_FLAGS)
+ vep->bus_type = V4L2_MBUS_PARALLEL;
+ else
+ vep->bus_type = V4L2_MBUS_BT656;
+ }
+ break;
+ case V4L2_FWNODE_BUS_TYPE_PARALLEL:
+ vep->bus_type = V4L2_MBUS_PARALLEL;
+ bus->flags = flags;
+ break;
+ case V4L2_FWNODE_BUS_TYPE_BT656:
+ vep->bus_type = V4L2_MBUS_BT656;
+ bus->flags = flags & ~PARALLEL_MBUS_FLAGS;
+ break;
}
}
@@ -263,7 +278,8 @@ static int __v4l2_fwnode_endpoint_parse(struct fwnode_handle *fwnode,
return rval;
if (vep->bus_type == V4L2_MBUS_UNKNOWN)
- v4l2_fwnode_endpoint_parse_parallel_bus(fwnode, vep);
+ v4l2_fwnode_endpoint_parse_parallel_bus(
+ fwnode, vep, V4L2_MBUS_UNKNOWN);
return vep->bus_type == V4L2_MBUS_UNKNOWN ? -EINVAL : 0;
case V4L2_FWNODE_BUS_TYPE_CCP2:
@@ -271,6 +287,14 @@ static int __v4l2_fwnode_endpoint_parse(struct fwnode_handle *fwnode,
v4l2_fwnode_endpoint_parse_csi1_bus(fwnode, vep, bus_type);
return 0;
+ case V4L2_FWNODE_BUS_TYPE_CSI2_DPHY:
+ vep->bus_type = V4L2_MBUS_CSI2_DPHY;
+ return v4l2_fwnode_endpoint_parse_csi2_bus(fwnode, vep);
+ case V4L2_FWNODE_BUS_TYPE_PARALLEL:
+ case V4L2_FWNODE_BUS_TYPE_BT656:
+ v4l2_fwnode_endpoint_parse_parallel_bus(fwnode, vep, bus_type);
+
+ return 0;
default:
pr_warn("unsupported bus type %u\n", bus_type);
return -EINVAL;
--
2.11.0
next prev parent reply other threads:[~2018-07-23 14:48 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-23 13:46 [PATCH 00/21] V4L2 fwnode rework; support for default configuration Sakari Ailus
2018-07-23 13:46 ` [PATCH 01/21] v4l: fwnode: Add debug prints for V4L2 endpoint property parsing Sakari Ailus
2018-07-23 13:46 ` [PATCH 02/21] v4l: fwnode: Use fwnode_graph_for_each_endpoint Sakari Ailus
2018-07-23 13:46 ` [PATCH 03/21] v4l: fwnode: Detect bus type correctly Sakari Ailus
2018-07-23 13:46 ` [PATCH 04/21] v4l: fwnode: The CSI-2 clock is continuous if it's not non-continuous Sakari Ailus
2018-07-23 13:46 ` [PATCH 05/21] dt-bindings: media: Specify bus type for MIPI D-PHY, others, explicitly Sakari Ailus
2018-07-31 21:32 ` Rob Herring
2018-08-01 11:16 ` Sakari Ailus
2018-08-16 9:17 ` Sakari Ailus
2018-08-16 13:48 ` Rob Herring
2018-08-16 14:16 ` Sakari Ailus
2018-07-23 13:46 ` [PATCH 06/21] v4l: fwnode: Add definitions for CSI-2 D-PHY, parallel and Bt.656 busses Sakari Ailus
2018-07-23 13:46 ` [PATCH 07/21] v4l: mediabus: Recognise CSI-2 D-PHY and C-PHY Sakari Ailus
2018-07-23 13:46 ` Sakari Ailus [this message]
2018-07-23 13:46 ` [PATCH 09/21] v4l: fwnode: Read lane inversion information despite lane numbering Sakari Ailus
2018-07-23 13:46 ` [PATCH 10/21] v4l: fwnode: Only assign configuration if there is no error Sakari Ailus
2018-07-23 13:46 ` [PATCH 11/21] v4l: fwnode: Support driver-defined lane mapping defaults Sakari Ailus
2018-07-23 13:46 ` [PATCH 12/21] v4l: fwnode: Support default CSI-2 lane mapping for drivers Sakari Ailus
2018-07-23 13:46 ` [PATCH 13/21] v4l: fwnode: Parse the graph endpoint as last Sakari Ailus
2018-07-23 13:46 ` [PATCH 14/21] v4l: fwnode: Use default parallel flags Sakari Ailus
2018-07-23 13:47 ` [PATCH 15/21] v4l: fwnode: Allow setting default parameters Sakari Ailus
2018-07-23 13:47 ` [PATCH 16/21] v4l: fwnode: Use media bus type for bus parser selection Sakari Ailus
2018-07-23 13:47 ` [PATCH 17/21] v4l: fwnode: Print bus type Sakari Ailus
2018-07-23 13:47 ` [PATCH 18/21] v4l: fwnode: Use V4L2 fwnode endpoint media bus type if set Sakari Ailus
2018-07-23 13:47 ` [PATCH 19/21] v4l: fwnode: Support parsing of CSI-2 C-PHY endpoints Sakari Ailus
2018-07-23 13:47 ` [PATCH 20/21] v4l: fwnode: Update V4L2 fwnode endpoint parsing documentation Sakari Ailus
2018-07-23 13:47 ` [PATCH 21/21] smiapp: Query the V4L2 endpoint for a specific bus type Sakari Ailus
2018-08-10 10:38 ` [PATCH 00/21] V4L2 fwnode rework; support for default configuration jacopo mondi
2018-08-13 7:31 ` Sakari Ailus
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